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6 records
All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on Tb9(SbO)5 by Materials Project

Tb9(SbO)5 crystallizes in the tetragonal P4/n space group. The structure is three-dimensional. there are three inequivalent Tb sites. In the first Tb site, Tb is bonded in a distorted single-bond geometry to five Sb and one O atom. There are a spread of Tb–Sb bond distances ranging from 3.11–3.19 Å. The Tb–O bond length is 2.29 Å. In the second Tb site, Tb is bonded in a distorted single-bond geometry to five Sb and one O atom. There are one shorter (3.16 Å) and four longer (3.18 Å) Tb–Sb bond lengths. The Tb–O bond length is 2.36 Å. In the third Tb site, Tb is bonded in a 4-coordinate geometry to two equivalent Sb and four O atoms. There are one shorter (3.32 Å) and one longer (3.40 Å) Tb–Sb bond lengths. There are a spread of Tb–O bond distances ranging from 2.21–2.46 Å. There are two inequivalent Sb sites. In the first Sb site, Sb is bonded in a 5-coordinate geometry to seven Tb atoms. In the second Sb site, Sb is bonded to five Tb atoms to form SbTb5 square pyramids that share corners with four equivalent OTb4 tetrahedra and a cornercorner with one OTb5 trigonal bipyramid. There are two inequivalent O sites. In the first O site, O is bonded to four Tb atoms to form OTb4 tetrahedra that share a cornercorner with one SbTb5 square pyramid, corners with four equivalent OTb4 tetrahedra, a cornercorner with one OTb5 trigonal bipyramid, an edgeedge with one OTb4 tetrahedra, and an edgeedge with one OTb5 trigonal bipyramid. In the second O site, O is bonded to five Tb atoms to form distorted OTb5 trigonal bipyramids that share a cornercorner with one SbTb5 square pyramid, corners with four equivalent OTb4 tetrahedra, and edges with four equivalent OTb4 tetrahedra.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Tb3SbO7 by Materials Project

Tb3SbO7 crystallizes in the orthorhombic C222_1 space group. The structure is three-dimensional. there are two inequivalent Tb3+ sites. In the first Tb3+ site, Tb3+ is bonded to seven O2- atoms to form distorted TbO7 pentagonal bipyramids that share corners with two equivalent SbO6 octahedra, a cornercorner with one TbO7 pentagonal bipyramid, edges with two equivalent SbO6 octahedra, and edges with three equivalent TbO7 pentagonal bipyramids. The corner-sharing octahedra tilt angles range from 45–48°. There are a spread of Tb–O bond distances ranging from 2.23–2.48 Å. In the second Tb3+ site, Tb3+ is bonded in a distorted body-centered cubic geometry to eight O2- atoms. There are a spread of Tb–O bond distances ranging from 2.34–2.79 Å. Sb5+ is bonded to six O2- atoms to form SbO6 octahedra that share corners with two equivalent SbO6 octahedra, corners with four equivalent TbO7 pentagonal bipyramids, and edges with four equivalent TbO7 pentagonal bipyramids. The corner-sharing octahedral tilt angles are 43°. There are a spread of Sb–O bond distances ranging from 1.98–2.03 Å. There are five inequivalent O2- sites. In the first O2- site, O2- is bonded in a 4-coordinate geometry to two equivalent Tb3+ and two equivalent Sb5+ atoms. In the second O2- site, O2- is bonded to four Tb3+ atoms to form a mixture of edge and corner-sharing OTb4 tetrahedra. In the third O2- site, O2- is bonded in a 4-coordinate geometry to three Tb3+ and one Sb5+ atom. In the fourth O2- site, O2- is bonded to four Tb3+ atoms to form a mixture of edge and corner-sharing OTb4 tetrahedra. In the fifth O2- site, O2- is bonded to three Tb3+ and one Sb5+ atom to form a mixture of distorted edge and corner-sharing OTb3Sb tetrahedra.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Tb3SbO7 by Materials Project

Tb3SbO7 crystallizes in the orthorhombic Cmcm space group. The structure is three-dimensional. there are two inequivalent Tb3+ sites. In the first Tb3+ site, Tb3+ is bonded to seven O2- atoms to form distorted TbO7 pentagonal bipyramids that share corners with two equivalent SbO6 octahedra, corners with three equivalent TbO7 pentagonal bipyramids, edges with two equivalent SbO6 octahedra, and edges with two equivalent TbO7 pentagonal bipyramids. The corner-sharing octahedral tilt angles are 42°. There are a spread of Tb–O bond distances ranging from 2.23–2.62 Å. In the second Tb3+ site, Tb3+ is bonded in a body-centered cubic geometry to eight O2- atoms. There are four shorter (2.36 Å) and four longer (2.69 Å) Tb–O bond lengths. Sb5+ is bonded to six O2- atoms to form SbO6 octahedra that share corners with two equivalent SbO6 octahedra, corners with four equivalent TbO7 pentagonal bipyramids, and edges with four equivalent TbO7 pentagonal bipyramids. The corner-sharing octahedral tilt angles are 38°. All Sb–O bond lengths are 2.00 Å. There are three inequivalent O2- sites. In the first O2- site, O2- is bonded to four Tb3+ atoms to form a mixture of corner and edge-sharing OTb4 tetrahedra. In the second O2- site, O2- is bonded in a 4-coordinate geometry to three Tb3+ and one Sb5+ atom. In the third O2- site, O2- is bonded in a 2-coordinate geometry to two equivalent Tb3+ and two equivalent Sb5+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on TbSbO4 by Materials Project

Computed materials data using density functional theory calculations. These calculations determine the electronic structure of bulk materials by solving approximations to the Schrodinger equation. For more information, see https://materialsproject.org/docs/calculations

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Tb3SbO7 by Materials Project

Tb3SbO7 crystallizes in the orthorhombic Cmcm space group. The structure is three-dimensional. there are two inequivalent Tb3+ sites. In the first Tb3+ site, Tb3+ is bonded in a body-centered cubic geometry to eight O2- atoms. There are a spread of Tb–O bond distances ranging from 2.34–2.65 Å. In the second Tb3+ site, Tb3+ is bonded to seven O2- atoms to form distorted TbO7 pentagonal bipyramids that share corners with two equivalent SbO6 octahedra, a cornercorner with one TbO7 pentagonal bipyramid, edges with two equivalent SbO6 octahedra, and edges with three equivalent TbO7 pentagonal bipyramids. The corner-sharing octahedral tilt angles are 47°. There are a spread of Tb–O bond distances ranging from 2.23–2.48 Å. Sb5+ is bonded to six O2- atoms to form SbO6 octahedra that share corners with two equivalent SbO6 octahedra, corners with four equivalent TbO7 pentagonal bipyramids, and edges with four equivalent TbO7 pentagonal bipyramids. The corner-sharing octahedral tilt angles are 43°. There are four shorter (2.00 Å) and two longer (2.03 Å) Sb–O bond lengths. There are four inequivalent O2- sites. In the first O2- site, O2- is bonded in a 4-coordinate geometry to three Tb3+ and one Sb5+ atom. In the second O2- site, O2- is bonded in a 4-coordinate geometry to two equivalent Tb3+ and two equivalent Sb5+ atoms. In the third O2- site, O2- is bonded to four Tb3+ atoms to form a mixture of corner and edge-sharing OTb4 tetrahedra. In the fourth O2- site, O2- is bonded to four Tb3+ atoms to form a mixture of corner and edge-sharing OTb4 tetrahedra.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Tb3Sb5O12 by Materials Project

Tb3Sb5O12 crystallizes in the cubic I-43m space group. The structure is three-dimensional. Tb3+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are four shorter (2.26 Å) and four longer (2.61 Å) Tb–O bond lengths. There are two inequivalent Sb3+ sites. In the first Sb3+ site, Sb3+ is bonded in a 3-coordinate geometry to three equivalent O2- atoms. All Sb–O bond lengths are 2.03 Å. In the second Sb3+ site, Sb3+ is bonded in a 4-coordinate geometry to four O2- atoms. There are two shorter (1.99 Å) and two longer (2.23 Å) Sb–O bond lengths. There are two inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted trigonal planar geometry to two equivalent Tb3+ and one Sb3+ atom. In the second O2- site, O2- is bonded in a 4-coordinate geometry to two equivalent Tb3+ and two Sb3+ atoms.

36 MATERIALS SCIENCE↗